For ordinary three-layer corrugated boxes, the thickness is generally about 3.5mm, and the thickness of five layers is about 7mm. Therefore, before selecting a carton, we need to measure the length, width and height of the packed items, and then add the thickness of the box. The combination is the size of the outer carton. The size most manufacturers say is actually the size of the outer box.

在设计外箱尺寸时，为了节省原材料，将尽可能降纸箱宽度。因此，在定制纸箱时，须向厂家解释提供的尺寸是外箱尺寸还是内箱尺寸，这一点非常重要。

When designing the size of the outer carton, the carton width will be reduced as much as possible in order to save raw materials. Therefore, when customizing cartons, it is very important to explain to the manufacturer whether the size provided is the outer box size or the inner box size.、

根据货物的重量和成本，合理选择纸箱包装材料。纸箱是由纸板制成的，我们日常生活中常用的纸板是瓦楞纸板。瓦楞纸板可分为面纸、瓦楞纸、芯纸、内纸等。纸板的材料质量主要与每的重量有关。每的重量越重，纸板的质量就越好。普通纸箱的纸张从外观的光滑度和触感的硬度来区分。

According to the weight and cost of goods, carton packaging materials shall be reasonably selected. Cartons are made of cardboard. Corrugated cardboard is commonly used in our daily life. Corrugated board can be divided into face paper, corrugated paper, core paper, inner paper, etc. The material quality of paperboard is mainly related to the weight per square meter. The heavier the weight per square meter, the better the quality of the cardboard. The paper of ordinary cartons is distinguished from the smoothness of appearance and the hardness of touch.

正常情况下，纸箱包装印刷面积越大，成本越高。同时，印刷成本也与印刷的颜色种类有关。一旦开始印刷，就不能修改。因此，在正式印刷之前，一定要与客户确认印刷内容，甚反复确认，以保证印刷内容的正确性。如果印刷过程中意外出现错误，可以用外观颜色相似的不干胶贴纸或温水贴纸覆盖，但会对美观产生一定影响。因此，要给出准确的印刷材料，并不时监督厂家严格印刷。

Under normal circumstances, the larger the printing area of carton packaging, the higher the cost. At the same time, the printing cost is also related to the color type of printing. Once printing is started, it cannot be modified. Therefore, before formal printing, it is necessary to confirm the printed content with the customer, or even repeatedly, to ensure the correctness of the printed content. If an error occurs accidentally during the printing process, it can be covered with self-adhesive stickers or warm water stickers with similar appearance and color, but it will have a certain impact on the aesthetics. Therefore, it is necessary to provide accurate printing materials and supervise the strict printing of manufacturers from time to time.

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